The M734 multi-option fuze is designed to provide a selectable-function capability for use with mortar cartridges.
The four settings are PRX, near-surface burst (NSB), impact (IMP), and delay (DLY).
Recoilless Rifle Cartridge
There is only one recoilless rifle cartridge currently in the supply system. It is the 84-millimeter M136 (AT4) and
launcher, shown in Figure 2-26. The M136 system is a replacement weapon for the 66-millimeter light antitank
weapon (LAW). The AT4 is issued as a complete round of ammunition. It is loaded with one 84-millimeter high-